build-zoom-video-sdk-app

A guide for building custom video-session applications with Zoom’s Video SDK, where the developer creates the user interface and controls the experience.

In plain words
What is it for?
It is for building branded video experiences, joining and rendering custom sessions, choosing between prebuilt React components and a fully custom interface, and preparing the required Zoom setup.
Why use it?
It helps distinguish custom video sessions from regular Zoom meetings, which use different concepts and connection details. It also directs developers toward the right SDK and setup steps.

Skill for Claude CodeCodex

Part of the zoom-plugin plugin — 47 skills, 7 MCP servers shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/zoom/zoom-plugin/video-sdk
Any agent
npx skills add zoom/zoom-plugin --skill video-sdk
Clone the repo
git clone --depth 1 https://github.com/zoom/zoom-plugin

Made for: Claude Code, Codex.

Or install zoom-plugin, the plugin that ships this one along with the rest of its 47 skills, 7 MCP servers.

Per session 39 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,381 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00039 $0.03381
Opus 5 $0.00019 $0.01690
Sonnet 5 $0.00008 $0.00676
Haiku 4.5 $0.00004 $0.00338

Measured 3d ago against content hash acbc1173b155, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

build-zoom-video-sdk-app scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl "https://source.zoom.us/videosdk/zoom-video-{VERSION}.min.js" -o js/zoom-video-sdk.min.js
skills/video-sdk/SKILL.md · 378 lines

How it starts

The opening of the file, as written. The whole thing — 378 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/build-zoom-video-sdk-app

Background reference for fully custom video-session products. Prefer plan-zoom-product first when the boundary between Meeting SDK and Video SDK is still unclear.

Build custom video experiences powered by Zoom's infrastructure.

Hard Routing Guardrail (Read First)

  • If the user asks for custom real-time video app behavior (topic/session join, custom rendering, attach/detach), route to Video SDK.
  • Do not switch to REST meeting endpoints for Video SDK join flows.
  • Video SDK does not use Meeting IDs, join_url, or Meeting SDK join payload fields (meetingNumber, passWord).

Meeting SDK vs Video SDK

Feature Meeting SDK Video SDK
UI Default Zoom UI or Custom UI Fully custom UI (you build it)
Experience Zoom meetings Video sessions
Branding Limited customization Full branding control
Features Full Zoom features Core video features

UI Options (Web)

Video SDK gives you full control over the UI:

Option Description
UI Toolkit Pre-built React components (low-code)
Custom UI Build your own UI using the SDK APIs

Prerequisites

  • Zoom Video SDK credentials from Marketplace
  • SDK Key and Secret
  • Web development environment

Need to create the Video SDK app first? Use Marketplace app management for app creation, manifest validation, app-type quirks, and credential response shapes before generating Video SDK session JWTs.

Need help with OAuth or signatures? See the zoom-oauth skill for authentication flows.

Need pre-join diagnostics on web? Use probe-sdk before Video SDK join() to reduce first-minute failures.

Start troubleshooting fast: Use the 5-Minute Runbook before deep debugging.

Quick Start (Web)

NPM Usage (Bundler like Vite/Webpack)

Read the full file on GitHub · 378 lines

Files

What ships with it

60 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 378 lines · 39 tokens per session scan A acbc1173b155

Subscribe to this mod's changes

build-zoom-video-sdk-app is a skill published in the GitHub repository zoom/zoom-plugin (7 stars, last pushed 26d ago), licensed MIT. It adds 39 tokens to every session and 3,381 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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